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With some Western reservoirs set to run dry, officials in Colorado, Utah and Oregon lift fishing limits in some areas

Servus

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So if they crumble due to “lack of use”, that’s okay?
Man-made structures crumble, fall out of use, become obsolete, and get demolished all the time. Dams, bridges, high rise buildings, factories, plants etc.
 
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SimplyMe

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August came to be the summer month that nothing happened in in part because cause that’s also (coincidentally enough) when the winter’s “ice” would run out. They’d saw big blocks of ice in winter and ship it out to, well, everywhere. They’d use straw and cork-lined railroad cars as insulators. Worked fairly good until around August.
MOUNTIANS can get cold at night, as I checked Denver is sitting at about 80°F, Vail is 59°, less than 80 miles, (as the crow flies), away.

I'm not quite sure of your point here. Yes, I'm well aware of mountains and temperatures. I could talk about how at the time you typed your post it was about 80 degrees where I am and only about 20 miles away it was about 60. Of course, I could also point out that tomorrow afternoon that, where I am, it is supposed to be 94 degrees and it is supposed to be 67 just 20 miles away. It is amazing the difference a few thousand feet of elevation can make (both in my case, and the case of Denver compared to Vail).

The issue is, Lake Powell is at roughly 3500 feet across the entire lake (as I mentioned earlier), and is not in the mountains (again, it is on the Colorado Plateau). At the same time, that was somewhat my point. Servus kept talking about the heat and my point was, compared to Lake Mead, there is no "extreme" heat; pretty much all the places I've lived in the US have had high temperatures that averaged at least as high (or higher) than what Lake Powell does. Now, the fact that it the area around Lake Powell is something like 3500-4000 feet, as well as being arid, does mean it cools off at night (unlike those places I've lived, which tended to be humid).

In fact, it is kind of interesting that one of the big complaints about Glen Canyon Dam, at least as far as how it affects the Colorado River and the Grand Canyon, is that the water is too cold. Previously, before the dam, after spring runoff ended, the water in the Colorado River (which could often be relatively shallow in the summer) would heat up to roughly 80 degrees. With Lake Powell there, the lake keeps the water cooler, so that Colorado River water just below the dam is typically under 50 degrees (and also much clearer, since the silt that previously in the river is now stopped by Glen Canyon Dam). It is interesting how much that has affected nature below the dam and through the Grand Canyon.
 
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SimplyMe

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It's still arid barren desert terrain.

That tends to happen in barren desert terrain.

If you're going to bring up prehistoric lakes, you might as well go with all of Colorado was once an ocean.

But, again, the lakes being talked about in the OP are not in "barren desert terrain." In fact, neither are in the Colorado River basin.
 
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Servus

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But, again, the lakes being talked about in the OP are not in "barren desert terrain." In fact, neither are in the Colorado River basin.
This isn't barren terrain?

260601-antero-reservoir-ew-425p-7bc60c.jpg


260601-Thief-Valley-Reservoir-Oregon-4-ew-317p-92b083.jpg


From the OP article
 
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SimplyMe

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This isn't barren terrain?

260601-antero-reservoir-ew-425p-7bc60c.jpg


260601-Thief-Valley-Reservoir-Oregon-4-ew-317p-92b083.jpg


From the OP article

The Oregon lake is in something of a barren area, but that isn't what I claimed. What I claimed is that it is not in a "barren desert area" -- that area is not a desert. For example, on this bottom picture, you can see the "walls" of the lake are covered with grass, not at all like the shorelines of Lake Mead or Lake Powell. It is not hot there, high temperatures in July and August only average about 80 degrees (they average 67 in June), with the average low at 58 degrees (48 for June).

As for your top picture, I apologize, I made a mistake. That lake is in the Rockies -- in fact it sits at almost 9,000 feet of elevation. So I suppose it is barren but it is not in a desert and it is not hot there. The highest temperatures are in July, where it averages 72 degrees, and lows at night in July average about 40 degrees.
 
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Tuur

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They didn't know the long term history of the Rocky Mountains snowpacks when they built those things in the 30s.
Not the first such "gotcha." Documented weather history in North America is short, so it's hard to find a reference. That's one thing that makes paleoclimatology so interesting. It's why I wonder that the natural range of pecans can tell us something about hurricanes in North America. Pecans grow quite well outside their natural range, but don't tolerate high winds very well. A casual look at the path of recorded tropical systems, keeping in mind that the records are less than two centuries old, and comparing it with the natural range of pecans seems to show that they didn't spread where there was the highest incidents of storms. Given that locally the pecan groves were set out after the last big storm came through in the late 19th Century and stood until the next big one came through in the 21st is what suggested that.
 
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Servus

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For those curious, Google Earth is a handy resource. Just search for the Colorado River and look at the satellite photos.
Checking history helps too as one would come across North America's Southwestern Megadrought that lasted from A.D. 1276 to 1299. Along with numerous decades long megadroughts around the world that existed way before the Industrial Revolution.
 
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While ignoring it masks that maybe things are not quite what we think, particularly what climatologists have criticized as the "Hollywoodization" of climate change. Hollywoodization is what we run into when every twitch in the weather is suddenly "AGW." So here we have a current drought in the US West that we are told by the AGW faithful is caused by humans, even though paleoclimatologists have identified worse droughts within the span of the last 2,000 years. That's practically an eyeblink on a geologic scale. Simply put, if we're seeing AGW effects now, it's still lost in the noise of natural phenomenon.
If you're granting credence to climatologists like you seem to be, just take note of where their concerns lie generally.

As for me, I know not to argue the climate change issue beyond a point. "Conservatives" are stuck in against it no matter what as the issue tingles their anti collective action senses. The tactic for ages was to deny climate is even changing at all. The respect for just basic reality is low. That makes for a poor discussion.
 
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durangodawood

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I remember floating Cataract Canyon, 4 days from Moab down to the top of "Lake" Powell. There was a few miles of "lake" to traverse at the bottom to get to the take-out. I doubt that flat is there anymore.

I was never a fan of the "lake" and dam to begin with. But now a lot of people now depend on it due to our pro development, pro business frenzy of the past. Many people wait to get all environmentalist about sensible development until its too late.
 
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Tuur

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If you're granting credence to climatologists like you seem to be, just take note of where their concerns lie generally.

As for me, I know not to argue the climate change issue beyond a point. "Conservatives" are stuck in against it no matter what as the issue tingles their anti collective action senses. The tactic for ages was to deny climate is even changing at all. The respect for just basic reality is low. That makes for a poor discussion.
Paleoclimatologists. They seem to have the data. They can point to specifics and state what it suggests climate was at that time and the flora and fauna. It can have evidence of droughts. Had it existed prior to the 1920s, people might have realized that the dust mulch technique of farming, then popular in the East, was a recipe for disaster in a region subject to severe droughts. It can also provide "dial-a-climate" information for planning: given X forecast change. It's particularly important given the short baseline of recorded data in the Americas and the even shorter memories of people. Every twitch in weather isn't AGW, despite what we tend to be told.
 
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durangodawood

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...Every twitch in weather isn't AGW, despite what we tend to be told.
For sure. But when climate warming is expected to result in greater extremes, then people are bound to attribute extremes to the warming that is happening, even though there may be no actual way to attribute each case to a specific cause.

I don't view this error as all that important either way.
 
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Tuur

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For sure. But when climate warming is expected to result in greater extremes, then people are bound to attribute extremes to the warming that is happening, even though there may be no actual way to attribute each case to a specific cause.

I don't view this error as all that important either way.
I do because it encourages panic and people who panic make bad decisions. When it comes to AGW I'm an agnostic, but whether it's valid or not, when the scare predictions don't happen, it's going to make people skeptical or dismiss it entirely out of hand.
 
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Hans Blaster

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I do because it encourages panic and people who panic make bad decisions. When it comes to AGW I'm an agnostic, but whether it's valid or not, when the scare predictions don't happen, it's going to make people skeptical or dismiss it entirely out of hand.
It hasn't been unclear for 30 years.
 
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durangodawood

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I do because it encourages panic and people who panic make bad decisions. When it comes to AGW I'm an agnostic, but whether it's valid or not, when the scare predictions don't happen, it's going to make people skeptical or dismiss it entirely out of hand.
At this point I can only view "agnostic" as an ideologically driven position rather than reality driven. And we've been here for a while now.

Invoking paleo-climate issues as if you're in this sensible minority whos looking at a reality that most scientists ignore is just wrong. They absolutely account for it in their analysis.
 
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SimplyMe

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I remember floating Cataract Canyon, 4 days from Moab down to the top of "Lake" Powell. There was a few miles of "lake" to traverse at the bottom to get to the take-out. I doubt that flat is there anymore.

I was never a fan of the "lake" and dam to begin with. But now a lot of people now depend on it due to our pro development, pro business frenzy of the past. Many people wait to get all environmentalist about sensible development until its too late.

The odd part, form what I understand of Glen Canyon Dam, is that very little water is pulled out of Glen Canyon Dam for any type of use. I think Page, AZ (the town closest to the dam) and maybe part of the Navajo Reservation gets water from the dam, and that is mostly it. The main purposes of the dam are to produce hydropower and to act as a buffer for Lake Mead, to include the idea that in dry years that it would supply the contractual amount of water to the Lower Colorado Compact states that is required. It has helped a lot, at least until the 1200 year mega drought.

The other thing is that apparently the largest use of Colorado River water goes to agriculture. As has been noted previously, there are a lot of very thirsty crops being raised in the West, such as alfalfa and various nuts. Worse, many of the crops (such as alfalfa) is frequently shipped overseas, to places like Asia. There likely needs to be a complete re-write of our water laws; just that it creates a major can of worms as to who gets damaged the most when water restrictions go into place.
 
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durangodawood

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The odd part, form what I understand of Glen Canyon Dam, is that very little water is pulled out of Glen Canyon Dam for any type of use. I think Page, AZ (the town closest to the dam) and maybe part of the Navajo Reservation gets water from the dam, and that is mostly it. The main purposes of the dam are to produce hydropower and to act as a buffer for Lake Mead, to include the idea that in dry years that it would supply the contractual amount of water to the Lower Colorado Compact states that is required. It has helped a lot, at least until the 1200 year mega drought.
That's interesting. I did not know that. Makes sense as "Lake" Powell is a heck of a long way from major ag or urban sites - unlike "Lake" Mead.
The other thing is that apparently the largest use of Colorado River water goes to agriculture. As has been noted previously, there are a lot of very thirsty crops being raised in the West, such as alfalfa and various nuts. Worse, many of the crops (such as alfalfa) is frequently shipped overseas, to places like Asia. There likely needs to be a complete re-write of our water laws; just that it creates a major can of worms as to who gets damaged the most when water restrictions go into place.
I definitely knew that. We use that water like its always going to be there.
 
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Tuur

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At this point I can only view "agnostic" as an ideologically driven position rather than reality driven. And we've been here for a while now.

Invoking paleo-climate issues as if you're in this sensible minority whos looking at a reality that most scientists ignore is just wrong. They absolutely account for it in their analysis.
Just call me an Unbeliever, then. Whatever floats your boat.
 
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Pommer

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Yes, I agree 100%.
The petroleum sector/economy is drawing to a close. The reserves will dwindle down for a few decades and then it will be functionally unavailable to the general public and only governments will be able to afford petroleum products. To run their military.

Electricity production will have to turn to renewables to meet consumer demand.
California is sitting next to an ocean of potentially potable water, given the energy to extract it from the briny-blue.
Having plenty o’sunshine will help in such an endeavor.

California could become the Saudi Arabia of water?
 
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Pommer

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If you're granting credence to climatologists like you seem to be, just take note of where their concerns lie generally.

As for me, I know not to argue the climate change issue beyond a point. "Conservatives" are stuck in against it no matter what as the issue tingles their anti collective action senses. The tactic for ages was to deny climate is even changing at all. The respect for just basic reality is low. That makes for a poor discussion.
Some folks believe that the “end of the world” is coming shortly; why would they want to delay that, when they’ve been promised a good afterlife?
 
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